STI’s indoor/outdoor latching resettable push button switch is ideal for use as a button to call police, alert of an emergency, allow authorized exits, to lockdown a building and more. Activation is universally understood with hand symbol and arrows. When pressed, a visible warning flag drops into view. Authorities can quickly reset with the provided key for immediate re-use, eliminating the need to wait for replacement parts. Versatile mounting plate allows it to be quickly and easily installed in any location. Available in five colors, with standard or custom labels, with or without a protective cover. UL/cUL Listed, ADA Compliant. » More information